Year % of relevant age group 1993 92.8888320922852 1994 94.3010101318359 1997 93.3543472290039 2004 85.7391204833984 2005 83.4419631958008 2006 86.4370498657227 2007 84.5551300048828 2008 83.844841003418 2009 85.9918670654297 2010 90.6760177612305 2011 88.761589050293 2012 86.9369964599609 2013 79.6440811157227 2014 85.7709426879883 2015 85.307746887207 2016 79.7167205810547 2017 83.2250671386719 2018 81.7517776489258 2019 80.8386306762695 2020 75.7676467895508 2021 83.1941528320312 2022 81.8727874755859